<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>getScript()</title>
  <script src="js/jquery-1.11.3.js"></script>
</head>

<body>
  <script>
    //用法:$.getScript(url, success(response, status))
    $.getScript("http://localhost:3000/");
  </script>
</body>

</html>